document.write( "Question 1056523: the population of a town is 216000.it was increased by 20% for the first year and decreased by 10% in the next year.what was the population two years ago
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Algebra.Com's Answer #671632 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = the population 2 yrs ago
\n" ); document.write( " $\"+x+%2B+.2x+=+1.2x+\"$ was population for 1st yr
\n" ); document.write( " $\"+1.2x+-+.1%2A%28+1.2x+%29+=+1.08x+\"$
\n" ); document.write( " $\"+1.08x+=+216000+\"$
\n" ); document.write( " $\"+x+=+200000+\"$
\n" ); document.write( "The population 2 yrs ago was 200,000
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